A brief swarm of small earthquakes gave the South Bay a literal shake-up during KTVU’s morning newscast, as on-air anchors ...

There have been more than 400 tremors recorded in this swarm as of May 11. How unusual is this?

The earthquakes continued for hours until a heavy 4.5-magnitude quake rattled the Southern California city from a depth of over nine miles ...

Dozens of earthquakes rattled parts of California on Saturday and into Sunday in what experts call an earthquake swarm, with many centered near Brawley, according to the U.S. Geological Survey.

The seismic activity has ranged from very low magnitude up to 4.7 magnitude in strength, according to the USGS data.

BRAWLEY, Calif. -- A seismic swarm of hundreds of earthquakes shook parts of California this weekend. A swarm is a group of quakes, dozens to thousands, where there are many earthquakes close in size ...

A minor earthquake was reported on Monday in the Pacific Ocean near the Northern California coastline, a shaker that produced ...

SAN DIEGO (KSWB/KUSI) – Nearly 200,000 people in Southern California felt shaking as hundreds of earthquakes rattled the Imperial County desert over the weekend. The California Governor’s Office of ...